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CVE-2023-36038

24
FAUCET Score

CVE-2023-36038 is a Denial of Service vulnerability affecting Microsoft .NET, ASP.NET Core, and Visual Studio 2022. It carries a CVSS score of 7.5 (High), indicating it can be exploited remotely with low attack complexity, leading to a complete denial of service without requiring user interaction. While the vulnerability has garnered significant community discussion and media coverage, there is currently no evidence of active exploitation, nor are public exploit modules or proof-of-concept code available.

Impacted Technologies

VendorProductVersion(s)CPE
>= 17.2, < 17.2.22CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
>= 17.4, < 17.4.14CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
>= 17.6, < 17.6.10CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
>= 17.7, < 17.7.7CPE matchmatch criteria
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
8.0.0CPE matchmatch criteria
cpe:2.3:a:microsoft:asp.net_core:8.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.2HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.78%
Probability of exploitation in next 30 days
EPSS Percentile
84.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0278 is in the 73rd percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: ASP.NET Core 8.0Fixed in: 8.0.0
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2022 version 17.2Fixed in: 17.2.22
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2022 version 17.4Fixed in: 17.4.14
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2022 version 17.6Fixed in: 17.6.10
View patch
microsoftpatch availablevia msrc
Product: Microsoft Visual Studio 2022 version 17.7Fixed in: 17.7.7
View patch
microsoftpatch availablevia msrc
Product: .NET 8.0Fixed in: 8.0.0
View patch

Vendor Advisories (1)

microsoft2023-Nov/CVE-2023-36038Important

ASP.NET Core Denial of Service Vulnerability

Nov 14, 2023

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2023-36038
PatchVendor Advisory